Home / 5,250,896.40-7,876,344.60-1,261,808.40

Finding the Fourth Proportional to 5,250,896.40, 7,876,344.60 and 1,261,808.40

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Solution

The fourth proportional to 5,250,896.40, 7,876,344.60 and 1,261,808.40 is: 1,892,712.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,896.40 : 7,876,344.60 = 1,261,808.40 : x
  2. Step 2: Convert to fraction form
    5,250,896.40/7,876,344.60 = 1,261,808.40/x
  3. Step 3: Cross multiply
    5,250,896.40x = 7,876,344.60 × 1,261,808.40
  4. Step 4: Simplify right side
    5,250,896.40x = 9,938,437,777,574.64
  5. Step 5: Solve for x
    x = 9,938,437,777,574.64/5,250,896.40
  6. Step 6: Final answer
    x = 1,892,712.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.